Public Function BeginGetFile( _
   ByVal File As ImageServerDownloadResult, _
   ByVal callback As AsyncCallback, _
   ByVal asyncState As Object _
) As IAsyncResult

Dim instance As ImageServerProxy
Dim File As ImageServerDownloadResult
Dim callback As AsyncCallback
Dim asyncState As Object
Dim value As IAsyncResult
 
value = instance.BeginGetFile(File, callback, asyncState)

public IAsyncResult BeginGetFile( 
   ImageServerDownloadResult File,
   AsyncCallback callback,
   object asyncState
)